[INFO] fetching crate bug 0.2.0...
[INFO] checking bug-0.2.0 against master#9610dfe5a9a731ced1ea4923ecbd0c57fe367898 for beta-170-4
[INFO] extracting crate bug 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate bug 0.2.0 on toolchain 9610dfe5a9a731ced1ea4923ecbd0c57fe367898
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bug 0.2.0
[INFO] finished tweaking crates.io crate bug 0.2.0
[INFO] tweaked toml for crates.io crate bug 0.2.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.6.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ebf4abd7b62e615b3213a673452098b52dc7f1bb2bf4fb0cccea108b709d35b7
[INFO] running `Command { std: "docker" "start" "-a" "ebf4abd7b62e615b3213a673452098b52dc7f1bb2bf4fb0cccea108b709d35b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ebf4abd7b62e615b3213a673452098b52dc7f1bb2bf4fb0cccea108b709d35b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebf4abd7b62e615b3213a673452098b52dc7f1bb2bf4fb0cccea108b709d35b7", kill_on_drop: false }`
[INFO] [stdout] ebf4abd7b62e615b3213a673452098b52dc7f1bb2bf4fb0cccea108b709d35b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+9610dfe5a9a731ced1ea4923ecbd0c57fe367898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a1ae99606a8070cfad2f917f2604e5706d50195c3e6b2361b1bc99d8dcdd9a
[INFO] running `Command { std: "docker" "start" "-a" "17a1ae99606a8070cfad2f917f2604e5706d50195c3e6b2361b1bc99d8dcdd9a", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]     Checking bug v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ThreadId`, `current`
[INFO] [stdout]  --> src/thread/mod.rs:2:31
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread::{JoinHandle, ThreadId, current};
[INFO] [stdout]   |                               ^^^^^^^^  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `LockResult as StdLockResult`, `TryLockResult as StdTryLockResult`
[INFO] [stdout]  --> src/sync/mod.rs:2:17
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::{LockResult as StdLockResult, Mutex as StdMutex,
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 6 |                 TryLockResult as StdTryLockResult};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::atomic::AtomicUsize as RAtomicUsize`
[INFO] [stdout]  --> src/sync/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::sync::atomic::AtomicUsize as RAtomicUsize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng`, `XorShiftRng`
[INFO] [stdout]  --> src/sched.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ayn_rand_is_garbage::{Rng, XorShiftRng};
[INFO] [stdout]   |                           ^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dur`
[INFO] [stdout]   --> src/sched.rs:55:32
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub(crate) fn sleep(&self, dur: Duration) {}
[INFO] [stdout]    |                                ^^^ help: if this is intentional, prefix it with an underscore: `_dur`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `sleeping`, `clock`, and `runnable` are never read
[INFO] [stdout]   --> src/sched.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Process {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 15 |     sleeping: BTreeMap<Instant, ThreadId>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 16 |     clock: u64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     runnable: HashSet<ThreadId>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Process` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/sched.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl Process {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 22 |     fn new() -> Process {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tid_to_group` is never read
[INFO] [stdout]   --> src/sched.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Scheduler {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 28 |     tid_to_group: Mutex<HashMap<ThreadId, Arc<Process>>>,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `run` is never used
[INFO] [stdout]   --> src/sched.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Scheduler {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 32 |     pub fn run<F, T>(&self, f: F) -> T
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `tid` is never used
[INFO] [stdout]   --> src/sched.rs:92:4
[INFO] [stdout]    |
[INFO] [stdout] 92 | fn tid() -> ThreadId {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "17a1ae99606a8070cfad2f917f2604e5706d50195c3e6b2361b1bc99d8dcdd9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a1ae99606a8070cfad2f917f2604e5706d50195c3e6b2361b1bc99d8dcdd9a", kill_on_drop: false }`
[INFO] [stdout] 17a1ae99606a8070cfad2f917f2604e5706d50195c3e6b2361b1bc99d8dcdd9a
